20768036100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{9889541}}^1$

素因数の和:9889565

約数の個数: 72

約数和(自身を含む): 68672979648

約数和(自身を除く): 47904943548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 9889541, 19779082, 29668623, 39558164, 49447705, 59337246, 69226787, 98895410, 118674492, 138453574, 148343115, 197790820, 207680361, 247238525, 276907148, 296686230, 346133935, 415360722, 494477050, 593372460, 692267870, 741715575, 830721444, 988954100, 1038401805, 1384535740, 1483431150, 1730669675, 2076803610, 2966862300, 3461339350, 4153607220, 5192009025, 6922678700, 10384018050, 20768036100]

約数ペア:

[(1, 20768036100), (2, 10384018050), (3, 6922678700), (4, 5192009025), (5, 4153607220), (6, 3461339350), (7, 2966862300), (10, 2076803610), (12, 1730669675), (14, 1483431150), (15, 1384535740), (20, 1038401805), (21, 988954100), (25, 830721444), (28, 741715575), (30, 692267870), (35, 593372460), (42, 494477050), (50, 415360722), (60, 346133935), (70, 296686230), (75, 276907148), (84, 247238525), (100, 207680361), (105, 197790820), (140, 148343115), (150, 138453574), (175, 118674492), (210, 98895410), (300, 69226787), (350, 59337246), (420, 49447705), (525, 39558164), (700, 29668623), (1050, 19779082), (2100, 9889541)]